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| "What you need to know about this book | |
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| What you need to know about solving problems | |
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| There's no magic in solving user problems:It's good detective work | |
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| We describe how best to present your problems to an administrator (for the fastest response and solutions) | |
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| We then look at general troubleshooting skills: recreating theproblem, reading error messages, trying obvious answers, and identifying possible factors that could have caused the problem | |
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| What you need to know about logging in | |
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| Logging in is a series of steps | |
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| When you can't log in, there are still things that you can check and fix | |
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| We explain checking the power supply | |
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| Cables and brightness control | |
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| Rebooting to reset a number of parameters changing an .xsession file for X terminal users when to ask for help | |
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| We also discuss password files | |
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| Selecting a good password and how to change passwords | |
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| What you need to know about running programs | |
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| You can run any command on the system by using its full pathname | |
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| Problems with commands are usually problems with the pointers to this full pathname | |
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| We describe where commands reside | |
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| Command search paths | |
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| Adding directories to your search path | |
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| Different versions of the same command | |
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| Using aliases for commands | |
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| File permissions | |
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| And how to fix problems with the TERM environment variable | |
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| What you need to know about sharing files | |
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| On a multiuser system, you can potentially share any file with any other user | |
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| File permissions are security measures that determine who can share what files | |
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| We discuss read/write/execute permissions | |
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| File ownership | |
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| How file owners can change permissions for a group or for the world | |
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| And what to do if you don't have permission to access a file | |
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| What you need to know about printing | |
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| Printing is a multi-step process | |
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| You have control over many steps in that process | |
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| We discuss how files are translated into a printer language (such as PostScript) | |
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| How to test if a file is in PostScript format | |
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| How to control what printer a file goes to | |
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| How to check the print queue and move or cancel jobs | |
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| And simple printer troubleshooting | |
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| What you need to know about space and time | |
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| On a multiuser system, you share disk space and processing time with other users | |
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| Sooner or later, you'll need to know what to do to optimize your use of these resources | |
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| We cover how and where files are stored | |
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| Checking disk space and the size of your directories | |
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| What kind of files to delete or compress if you need to create space | |
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| We also show how to deal with a slow system | |
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| How to check your processes | |
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| What processes are more resource-intensive than others, and how to kill unwanted processes | |
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| What you need to know about everyone else | |
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| Since you are on a multiuser system, you may need to find out what someone else is doing | |
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| We talk about using commands to see if someone on your system is logged on or has read mail | |
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| Using the finger command to see who is on another system | |
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| Creating a .plan or .project file to tell others about yourself | |
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| And finding out who is on a mail alias | |
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| What you need to know if you need to know more | |
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| Index | |